226 Should laptops remain plugged in when their battery is 100% charged? 2009-07-25T15:01:12.930
117 What is the power output of a USB port? 2013-12-18T12:06:08.537
106 Why do some AC adapters and power supplies generate a whining noise, and what can I do about it? 2014-10-27T20:36:19.910
96 Why are my games slower on battery power, even with the power plan set to High Performance? 2014-12-21T20:53:13.937
59 Laptop power supplies, does current matter? 2009-05-04T20:06:53.820
56 What happens when hardware tries to draw more power than power supply can provide? 2017-04-21T20:47:48.203
51 How do you check how much power a USB port can deliver? 2011-06-16T09:21:57.433
44 Pulling the plug out for 10 seconds 2009-12-19T11:27:39.393
38 I plugged in a molex cable the wrong way and the power supply exploded. Did it kill my hard drive? 2017-02-10T14:17:22.537
35 How to choose a UPS / calculate power for a new PC 2009-07-21T10:04:34.200
33 Why are brownouts so harmful? 2010-02-24T22:31:15.580
33 Can touching any hardware inside a running PC be dangerous for you? 2011-10-09T19:10:58.487
31 Why are there so many pins on a SATA power connector? 2010-01-20T13:52:13.303
28 How to test a power supply? 2009-08-17T17:46:26.873
25 Laptop touchpad works incorrectly when on power supply 2009-11-29T17:11:53.750
25 How to connect an old motherboard with a 12 pins power connector? 2017-09-11T18:46:54.830
24 Does a power supply draw only as much power as it needs? 2010-02-09T19:13:21.060
24 Why is a pin missing on 2x12 PSU cables? 2014-11-11T11:36:55.777
23 Can using the wrong power supply slow my computer down? 2014-03-01T16:52:48.573
22 Can unexpected power loss harm a Linux install? 2013-06-25T11:03:27.750
21 Why does my PC successfully boot only when unplugged for more than a few minutes? 2011-11-22T17:44:56.617
20 Can I run a computer using DC power? 2009-07-15T11:36:25.063
20 What is the 6-pin power connector on an HP ProDesk? 2015-01-26T12:45:23.987
19 Does laptop charger wastes electric current when not connected to the laptop? 2010-09-24T21:34:27.240
19 What kind of power port is this? 2014-12-10T19:43:05.913
17 How can I guess if a USB cable will power my devices? 2011-01-10T18:04:46.387
16 Buying A Computer "Case" Fan... Does It Always Run At 100% Unless Told Otherwise? 2011-05-21T10:54:34.400
16 Can PSU cause my PC to reboot? 2013-09-23T07:09:03.483
16 Is there a difference between 8-pin EPS12V and PCI-E connectors? 2014-12-06T11:03:34.067
16 How to find out if Windows was running at a given time? 2016-10-21T09:29:15.053
15 Identify AC Power Cord with rotated pins 2014-04-27T23:29:52.223
14 Is there a Internet PC Parts database? Like IMDB except it's about PC parts: motherboards, CPUs, Power supplies etc etc 2009-12-23T12:02:57.990
14 Ungrounded laptop (Macbook Pro) buzzes in headphones, weird feeling when fingers brush lightly 2010-01-26T07:47:55.820
14 Why does my computer power off suddenly and without warning? 2010-09-20T08:46:47.720
14 Notebook's Battery is not calibrated. Operates at 0% for an hour 2015-02-07T19:11:52.173
14 Connecting switches between two buildings, each building has it own mains electrical supply 2018-12-09T20:34:12.740
13 Will leaving the laptop power brick connected to the power socket be dangerous? 2009-05-18T08:39:49.717
13 PC shutting down after 30 minutes, even when on BIOS screen 2014-09-06T16:22:26.363
12 If my power supply is 700w, do I need a 700w UPS? 2009-09-22T14:19:56.587
12 How can I tell if an AC adapter is compatible with my laptop? 2009-10-10T14:22:09.140
12 How can I diagnose a faulty power supply? 2009-10-13T21:21:59.347
12 are consumer grade power supplies designed to run 24/7? 2010-02-15T20:24:35.633
11 Laptop battery: is voltage really important to respect? 2009-08-31T21:56:00.413
11 My 386sx refuses to start in cold days 2010-04-16T09:48:15.233
11 Can I safely use a PSU with an ATX 12v 4-pin for a board that has a EPS 12v 8-pin? 2012-02-05T04:36:39.843
11 My computer doesn't start - it is stuck in a turn-on, turn-off loop 2013-02-23T15:54:57.430
11 How can I tell how healthy my PSU is? 2014-04-25T21:13:51.650
11 Can a short-circuit damage a hard disk drive? 2017-04-27T02:20:28.067
10 Is there any computer parts that can be trashed safely (for the environment)? 2010-06-25T14:39:44.333
10 Does my 1000 watt 80gold+ (90% efficient) PSU pull 1111 watts, 1000 watts, or 900 watts from my wall receptacle at 100% load? 2011-06-05T20:35:21.783
10 Should I connect two 4-pin EATX12V power plugs? 2011-07-07T10:29:10.943
10 Does a laptop computer charge faster when off? 2011-09-19T20:39:10.440
10 What happens when laptops reach 100% charge? 2015-05-24T13:58:16.583
10 What is typical power consumption of 2.5" Laptop external Hard Drive connected to USB socket? 2017-01-25T14:22:58.143
10 Should the UPS output be exactly same in normal and battery backup modes? Or it is normal to have a slight variation in voltage or something? 2018-12-06T18:13:25.997
9 Could I replace a stock PSU fan with a more quiet one? 2009-07-20T08:26:22.180
9 Power Supply Capacity Formula 2009-08-01T20:04:43.997
9 Can you plug-in the battery while laptop is on AC only? 2010-04-16T14:46:52.637
9 How can I cool down a laptop power supply? 2011-08-01T17:20:54.057
9 Can I have too high a PSU power rating? 2012-04-02T19:43:42.350
9 Workaround for Dell "Power supply not recognised" issue 2012-06-28T19:59:38.633
9 Where can I see what caused Windows to make the 'hardware disconnected' sound? 2013-06-20T08:14:29.080
9 Why won't my Retina MacBook Pro let me plug the power in without the screen blacking out? 2015-02-15T23:21:27.887
9 Under what conditions will a group-regulated PSU damage a modern computer? 2016-03-10T09:44:43.213
8 Laptop power options while flying 2009-08-04T13:35:39.423
8 What are these? Are they broken? 2009-09-28T17:01:08.007
8 How much power is enough? 2009-12-21T16:39:07.293
8 Why is the laptop charger thing (transformer) making a noise? 2010-02-04T19:39:05.653
8 (Why) are IEC C5/C6 connectors a necessity? Why not use C13/C14? 2010-02-04T20:34:05.013
8 Is UPS necessary to have for a PC? 2010-03-22T17:49:49.263
8 Charge a laptop via USB power (500mA)? 2010-06-30T00:20:43.613
8 My power supply/motherboard nightmare 2011-04-07T21:28:22.597
8 Can a UPS be too powerful? 2012-04-04T13:48:04.290
8 Laptop screen turns off on removing power cord 2013-10-28T15:19:35.070
8 Computer Shuts Down, BSOD, Aggravation 2013-12-13T03:49:16.050
8 Is it safe to use the PSU from a Sun Ultra 40 to build a modern system? 2016-11-27T22:21:27.233
7 Does the fan go on the bottom or top of the power supply? 2009-08-09T02:11:10.543
7 Using a 20V power block on a 19V notebook 2009-12-07T12:53:21.223
7 PC is randomly shutting off 2010-03-14T21:51:39.457
7 Best Way to Protect A Desktop From Power Surge/Dirty Power? 2011-03-28T00:58:18.500
7 Internal UPS for desktop computers? 2011-05-20T07:16:07.543
7 What could cause a desktop power supply to "hiss"? 2011-06-09T13:56:44.217
7 Reduce power use on computer 2011-06-17T14:58:04.703
7 Is it okay to use a UPS without a ground? 2011-08-02T07:10:20.067
7 External "power brick" style PSUs - are they reliable enough? 2011-12-11T23:27:11.127
7 Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.) 2012-06-03T22:20:34.043
7 Is there a way to automatically disconnect a notebook from the eletrical power-supply? 2012-06-04T14:41:50.330
7 Will a 500W SMPS consume more electricity than a 250W SMPS if they are powering computers with same specifications? 2012-07-08T19:30:47.610
7 Does the wattage on a power supply simply mean the max output wattage? 2012-11-23T07:14:48.333
7 New build not powering up at all after connecting psu cables to hard drive 2013-04-23T12:15:39.170
7 Is my UPS battery dead or is my UPS broken? 2013-10-10T12:35:48.873
7 how many amps on the PSU 12v rail is used by a motherboard and CPU? 2013-12-11T07:17:09.293
7 USB hubs that actually implements Hub Port Power Control? 2014-11-25T14:33:24.783
7 When is too much voltage too much on a PC? 2015-08-16T18:19:49.347
7 Electric shocks from tip of laptop charger and laptop case - how to safely test if it's a bad charger or a bad outlet? 2016-03-17T11:00:24.163
7 Computer boots when I switch off the lights 2016-04-15T19:50:33.597
7 Will a PSU rate-limit device's power consumption? 2018-10-29T18:40:15.593
6 How to troubleshoot a computer not booting up when powered on? 2009-07-19T01:33:17.467
6 Will unplugging my computer/entertainment center every night cause damage? 2009-08-06T19:35:37.873